debug exc

2018-04-09 02:00:51 +01:00
parent 7ce963b63c
commit 2d19db5fce
20 changed files with 581 additions and 503 deletions
--- a/C/write.c
+++ b/C/write.c
@@ -1258,6 +1258,8 @@ char *Yap_TermToBuffer(Term t, encoding_t enc, int flags) {
 
  if (sno < 0)
    return NULL;
+  if (t == 0)
+    return NULL;
  if (enc)
    GLOBAL_Stream[sno].encoding = enc;
  else